genrating xlsheet with mysql but also contains html code in xl sheet need remove html code

Question

following is the code for getting xlsheet from mysql

?php 
  if($_POST['Submit']=='Generatexml')
  {
    $tblname=$_GET['genratexml'];

//mysql_connect("localhost","root",""); //mysql_select_db("hitnrunf_db");

global $obj_mysql;

$result = mysql_query("SELECT * FROM tbl_js_login");

while($row = mysql_fetch_array($result)) { $csv_output .= "$row[fld_id],$row[fld_fname],$row[fld_lname]"; $csv_output .="\015\012"; }

header("Content-type: application/vnd.ms-excel"); header("Content-disposition: csv; filename= Student_Data_". date("Y-m-d") . ".csv"); print $csv_output; exit; } include_once $path."includes/jobseeker_form.php"; ?>

following is the link error we are getting http://www.eminosoft.com/screenshot/xlsheet.JPG